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Showing content from https://docs.aws.amazon.com/sdkforruby/api/Aws/EMR/Types/PlacementGroupConfig.html below:

PlacementGroupConfig — AWS SDK for Ruby V2

You are viewing documentation for version 2 of the AWS SDK for Ruby. Version 3 documentation can be found here.

Class: Aws::EMR::Types::PlacementGroupConfig
Inherits:
Struct show all
Defined in:
(unknown)
Overview Note:

When passing PlacementGroupConfig as input to an Aws::Client method, you can use a vanilla Hash:

{
  instance_role: "MASTER",   placement_strategy: "SPREAD", }

Placement group configuration for an Amazon EMR cluster. The configuration specifies the placement strategy that can be applied to instance roles during cluster creation.

To use this configuration, consider attaching managed policy AmazonElasticMapReducePlacementGroupPolicy to the EMR role.

Instance Attribute Summary collapse Instance Attribute Details #instance_role ⇒ String

Role of the instance in the cluster.

Starting with Amazon EMR version 5.23.0, the only supported instance role is MASTER.

Possible values:

#placement_strategy ⇒ String

EC2 Placement Group strategy associated with instance role.

Starting with Amazon EMR version 5.23.0, the only supported placement strategy is SPREAD for the MASTER instance role.

Possible values:

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